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Spin Relaxation and All-Optical Polarization Switching in InGaAsP Multiple Quantum Wells at 1.55μm

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Abstract

All-optical polarization switches at 850nm, based on the excitation of spin polarized electrons in GaAs multiple quantum wells (MQWs), have been demonstrated previously [1] with recovery times in the range 20 to 80 ps [2].

© 1999 Optical Society of America

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